Uncoated, Magnesium Fluoride Window

Description

The Magnesium Fluoride (MgF2) Window is an essential optical component produced by Shape Optics, renowned for its high-quality optical engineering solutions. MgF2 windows are highly valued for their excellent transmission properties across a wide wavelength range, making them ideal for various optical applications including UV and infrared systems.

Properties and Uses

Magnesium Fluoride windows are widely used in scientific and industrial applications due to their unique properties. They are commonly employed in UV radiation sources and receivers, excimer laser applications, and environments where resistance to chemical etching, laser damage, and mechanical shock is crucial. Their robustness and durability make them suitable for use in harsh conditions, providing reliable performance in both deep-UV and mid-infrared spectrums.

General Specifications

• Material: Magnesium Fluoride (MgF2)
• Clear Aperture: 90%
• Coating: Uncoated
• Edges: Fine Ground
• Bevel: Protective as needed
• Type: Protective Window

Physical Properties

• Density: 3.18 g/cm³
• Young’s Modulus: 138 GPa
• Coefficient of Thermal Expansion (CTE): 13.7 x 10⁻⁶/°C

Mechanical Properties

• Knoop Hardness: 415 kg/mm²
• Poisson’s Ratio: 0.271
• Surface Flatness: λ/2
• Parallelism: < 1 arcmin

Chemical Properties

Magnesium Fluoride is highly resistant to chemical etching, making it suitable for use in environments where exposure to harsh chemicals is a concern. This chemical stability ensures the longevity and reliability of the windows in various applications.

Optical Properties

• Index of Refraction: 1.377
• Abbe Number (νd): 106.22
• Surface Quality: 40-20 scratch-dig

Transmission Wavelength Range

The MgF2 windows offer an outstanding transmission range from 120 nm to 7000 nm. This broad transmission capability makes them versatile for a wide array of optical applications, including UV, visible, and infrared spectrums.

Shape Optics’ Magnesium Fluoride Windows are engineered to deliver superior performance across a broad wavelength range, ensuring durability and reliability in various optical applications. Their excellent transmission properties, combined with high resistance to environmental and mechanical stressors, make them a preferred choice for demanding optical systems.